Shop 1987 Buick Century Engine Coolant Thermostat Housing. 6.6 LITER DIESEL. Engine Coolant Thermostat LITER, DIESEL - OEM Buick Part # 12684591 (12677163)

Thermostat. Outlet. hsng. pipe. Engine Coolant Housing. Water Neck.
Engine Coolant Housing where a Thermostat is used but not included.

Engine Coolant Outlet FlangeEngine Coolant Thermostat Housing

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL.
Engine Coolant Thermostat Housing - Repair or Replace
A failed thermostat housing will likely result in a cooling system leak, or will cause the engine in your to overheat. Consider replacing your engine coolant thermostat or having our staff of expert techs handle it for you.